let person = {};
Object.defineProperty(person, "name", {
  configurable: false,
  writable: false,
  value: "Nicholas",
});
console.log(person.name);
person.name = "Greg";
delete person.name;
console.log(person.name);
Object.defineProperty(person, "name", {
  configurable: true,
  value: "Nicholas",
});

